package com.tbabs.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理
 */
@Slf4j
@ResponseBody
@ControllerAdvice(annotations = {RestController.class, Controller.class})
public class GlobalExceptionHandler {

    /**
     * 数据重复异常处理方法
     * @param ex 异常信息
     * @return R
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public R<String> sqlICException(SQLIntegrityConstraintViolationException ex){
        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")) {
            String[] split = ex.getMessage().split(" ");
            String msg = split[2].substring(1,split[2].length()-1) + "已存在！";
            return R.error(msg);
        }
        return R.error("未知错误！");
    }

    /**
     * 自定义业务异常处理方法
     * @param ex 异常信息
     * @return R
     */
    @ExceptionHandler(CustomException.class)
    public R<String> customException(CustomException ex){
        log.info(ex.getMessage());
        return R.error(ex.getMessage());
    }
}
